{"id":451,"date":"2017-01-04T12:08:02","date_gmt":"2017-01-04T11:08:02","guid":{"rendered":"http:\/\/birds-in-flight.net\/?p=451"},"modified":"2021-09-01T08:17:53","modified_gmt":"2021-09-01T07:17:53","slug":"common-tern-sterna-hirundo","status":"publish","type":"post","link":"https:\/\/birds-in-flight.net\/?p=451","title":{"rendered":"Common Tern
Sterna hirundo<\/em>"},"content":{"rendered":"

>> GENERAL >>>>><\/strong><\/p>\n

– medium-sized tern
\n– considerably smaller and lighter weighted than Common Black-headed Gull<\/a>
\n– diurnal migrant, but probably nocturnal as well
\n– migrates in small (sometimes large), loose flocks (in swift migration in dense flocks) or as family-party (summer)<\/p>\n

>> VISUAL ID >>>>><\/strong><\/p>\n

\"\"<\/a>
\nCommon Tern Sterna h. hirundo<\/em>, 1CY<\/strong>
\nBIF2151, 05\/07\/20070, Spain, Martin Grimm<\/p>\n

\"\"<\/a>
\nCommon Tern Sterna h. hirundo<\/em>, 1CY<\/strong>
\nBIF0992, 13\/09\/2010, North Sea, offshore, Mathias Putze<\/p>\n

\"\"<\/a>
\nCommon Tern Sterna h. hirundo<\/em>, 1CY<\/strong>
\nBIF0993, 23\/08\/2012, Cuxhaven, Germany, Mathias Putze<\/p>\n

\"\"<\/a>
\nCommon Tern Sterna h. hirundo<\/em>, 1CY<\/strong>
\nBIF0994, 13\/09\/2010, North Sea, offshore, Mathias Putze<\/p>\n

\"\"<\/a>
\nCommon Tern Sterna h. hirundo<\/em>, 1CY<\/strong>
\nBIF2152, 03\/10\/2008, R\u00fcgen, Germany, Martin Grimm<\/p>\n

\"\"<\/a>
\nCommon Tern Sterna h. hirundo<\/em>, 1CY<\/strong>
\nBIF2153, 22\/09\/2015, Helgoland, Germany, Roland Neumann<\/p>\n

\"\"<\/a>
\nCommon Tern Sterna h. hirundo<\/em>, 1CY<\/strong>
\nBIF2154, 22\/09\/2015, Helgoland, Germany, Roland Neumann
\nsame as BIF2153<\/p>\n

\"\"<\/a>
\nCommon Tern Sterna h. hirundo<\/em>, 2CY<\/strong>
\nBIF0995, 21\/09\/2013, Cuxhaven, Germany, Mathias Putze<\/p>\n

\"\"<\/a>
\nCommon Tern Sterna h. hirundo<\/em>, 2CY<\/strong>
\nBIF2875, 16\/09\/2018, Cuxhaven, Germany, Roland Neumann<\/p>\n

\"\"<\/a>
\n Common Tern Sterna h. hirundo<\/em>, AD BREED<\/strong>
\nBIF0099, 07\/05\/2009, North Sea, offshore, Germany, Mathias Putze<\/p>\n

\"\"<\/a>
\nCommon Tern Sterna h. hirundo<\/em>, AD BREED<\/strong>
\nBIF0098, 30\/06\/2010, Hortob\u00e1gy, Hungary, Mathias Putze<\/p>\n

\"\"<\/a>
\nCommon Tern Sterna hirundo longipennis<\/em>, AD BREED<\/strong>
\nBIF0180, 28\/05\/2014, \u00d6nd\u00f6rchaan, Mongolia, Mathias Putze<\/p>\n

\"\"<\/a>
\nCommon Tern Sterna h. hirundo<\/em>, AD BREED<\/strong>
\nBIF0181, 01\/08\/2013, Delitzsch, Germany, Mathias Putze<\/p>\n

\"\"<\/a>
\n Common Tern Sterna h. hirundo<\/em>, AD BREED<\/strong>
\nBIF0182, 01\/08\/2013, Delitzsch, Germany, Mathias Putze<\/p>\n

\"\"<\/a>
\n Common Tern Sterna h. hirundo<\/em>, AD<\/strong>
\nBIF3561,30\/07\/2021, K\u00fchlungsborn, Germany, Roland Neumann<\/p>\n

\"\"<\/a>
\n Common Tern Sterna h. hirundo<\/em>, 1CY<\/strong>
\nBIF3070, 16\/08\/2019, North Sea, offshore, Roland Neumann<\/p>\n

\"\"<\/a>
\n Common Tern Sterna h. hirundo<\/em>, 2CY<\/strong>
\nBIF3071, 16\/08\/2019, North Sea, offshore, Roland Neumann<\/p>\n

\"\"<\/a>
\n Common Tern Sterna h. hirundo<\/em>, 1CY, 2CY, AD<\/strong>
\nBIF3072, 16\/08\/2019, North Sea, offshore, Roland Neumann<\/p>\n

\"\"
\n Common Tern Sterna h. hirundo<\/em>, 1CY, AD<\/strong>
\nBIF3632, 26\/08\/2021, Bad Segeberg, Germany, Roland Neumann
\n– migrating flock far from the sea<\/p>\n

>> ACOUSTIC ID >>>>><\/strong><\/p>\n

– very vocal
\n– a variety of calls to be heard during migration
\n– during spring migration AD birds utter several calls related to courtship and breeding too
\n– AD flight call is 0.3-0.4 sec in length, slightly downslurred<\/em>, screechy
\n– the AD flight call is similar to ‘KRIA’ calls (breeding grounds) in most cases including the voice break<\/em> and harsh terminal elements<\/em>
\n– during spring migration AD F begging calls are not uncommon
\n– most common call of 1CY birds in autumn is a 0.05sec long overslurred<\/em> quite variable ‘KIT’, often uttered in long but mostly irregular series
\n– 1CY birds regularly utter begging calls during migration too, often in short fast series
\n– most calls are at a distinctly lower frequency than similar Arctic Tern<\/a> calls<\/p>\nhttps:\/\/birds-in-flight.net\/wp-content\/uploads\/2017\/01\/BIF0100-1_PFR04060-1_1-10_100805_BIO_ctern-hirundo-2-AD-FC-CKIP-1-JUV-CKIT_geez_mv-hydrogr_MS_E-C_D.mp3<\/a><\/audio>\n

\"\"<\/a>
\n\"\"<\/a>
\n\"\"<\/a>
\nCommon Tern Sterna h. hirundo<\/em>, AD flight call, ‘KIP’ call, 1CY ‘KIT’ call<\/strong>
\nBIF0100, 05\/08\/2010, North Sea, offshore, Patrick Franke<\/p>\nhttps:\/\/birds-in-flight.net\/wp-content\/uploads\/2017\/01\/BIF2132-1_23092015_RNE_STEHIR-2-JUV-CKIT-CKRIA_d_helgoland.mp3<\/a><\/audio>\n

\"\"<\/a>
\nCommon Tern Sterna h. hirundo<\/em>, 1CY ‘KIT’ and ‘KRIA’ call<\/strong>
\nBIF2132, 23\/09\/2015, Helgoland, Germany, Roland Neumann<\/p>\nhttps:\/\/birds-in-flight.net\/wp-content\/uploads\/2017\/01\/BIF2742-1_PFR15211_1-11_180824_BIO_ctern-hirundo-1-JUV-CKIT-AD-CKRIA_geez_hohe-see_ms-soloven_REF-S_788.mp3<\/a><\/audio>\n

\"\"<\/a>
\n\"\"<\/a>
\nCommon Tern Sterna h. hirundo<\/em>, 1CY ‘KIT’ call, AD ‘KRIA’ call<\/strong>
\nBIF2742, 24\/08\/2018, North Sea, offshore, Patrick Franke<\/p>\nhttps:\/\/birds-in-flight.net\/wp-content\/uploads\/2017\/01\/BIF2744-1_PFR02022_1-11_090410_BIO_ctern-hirundo-1-AD-F-ABC_d_by_n-pegnitztal_REF-S_D.mp3<\/a><\/audio>\n

\"\"<\/a>
\nCommon Tern Sterna h. hirundo<\/em>, AD F begging call<\/strong>
\nBIF2744, 10\/04\/2009, N\u00fcrnberg, Germany, Patrick Franke<\/p>\nhttps:\/\/birds-in-flight.net\/wp-content\/uploads\/2017\/02\/BIF2745-1_RNE_1-11_20180906_STEHIR-AD-FC-CKIP-SCO-JUV-BC-CKIT_0115h_geez_UMBO_SonyPCM-M10.mp3<\/a><\/audio>\n

\"\"<\/a>
\nCommon Tern Sterna h. hirundo<\/em>, AD flight call, ‘kria’ call, ‘kip’ call; JUV begging call, ‘kit’ call<\/strong>
\nBIF2745, 06\/09\/2018, North Sea, offshore, Roland Neumann<\/p>\n

>> COMPARISON SPECIES >>>>><\/strong><\/p>\n

Little Tern<\/a> (v)
\nGull-billed Tern<\/a> (v)
\nWhiskered Tern<\/a> (v)
\nRoseate Tern (a) (v)
\nArctic Tern<\/a> (a) (v)
\nSandwich Tern<\/a><\/p>\n

#seabird #seabirds<\/p>\n

#ornithology #birdmigration #birdID #birdguide #birding #birdwatching #birdsound #westernpalearctic #europe #vismig #flightcalls #middleeast #northernafrica #workinprogress<\/p>\n","protected":false},"excerpt":{"rendered":"

>> GENERAL >>>>> – medium-sized tern – considerably smaller and lighter weighted than Common Black-headed Gull – diurnal migrant, but probably nocturnal as well – migrates in small (sometimes large), loose flocks (in swift migration in dense flocks) or as family-party (summer) >> VISUAL ID >>>>> Common Tern Sterna h. hirundo, 1CY BIF2151, 05\/07\/20070, Spain, … Continue reading Common Tern
Sterna hirundo<\/em><\/span> →<\/span><\/a><\/p>\n","protected":false},"author":3,"featured_media":8111,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26,292],"tags":[27],"class_list":["post-451","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sternidae","category-terns","tag-common-tern-sterna-hirundo"],"_links":{"self":[{"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=\/wp\/v2\/posts\/451","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=451"}],"version-history":[{"count":63,"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=\/wp\/v2\/posts\/451\/revisions"}],"predecessor-version":[{"id":10497,"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=\/wp\/v2\/posts\/451\/revisions\/10497"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=\/wp\/v2\/media\/8111"}],"wp:attachment":[{"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=451"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=451"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/birds-in-flight.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=451"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}